ALMA line survey maps eight converging filaments in Sgr B2(N) with 20-100 km/s/pc gradients and 0.16 M_sun/yr total accretion, indicating potential super stellar cluster formation via damp mergers of gas-rich cores.
Filamentary Structure of Orion A
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abstract
We present filamentary structure analysis based on the CARMA Orion Project through which we obtained high resolution (0.01pc) and high dynamic range (2~deg in DEC) images of the Orion A molecular cloud. We show a preliminary emission map of the $^{13}$CO emission with the addition of identified filaments. The data product resulted from 1500~hr of observing time at CARMA interferometer, and the Nobeyama 45~m telescope. We address basic filament properties along with calculated typical kinematical properties. Furthermore, we present a pilot study where we compare the observed [C{\sc II}] and [C{\sc I}] emission to $^{13}$CO emission towards 6 selected filaments in Orion~A.
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astro-ph.GA 1years
2019 1verdicts
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The Physical and chemical structure of Sagittarius B2 -- IV. Converging filaments in the high-mass cluster forming region Sgr B2(N)
ALMA line survey maps eight converging filaments in Sgr B2(N) with 20-100 km/s/pc gradients and 0.16 M_sun/yr total accretion, indicating potential super stellar cluster formation via damp mergers of gas-rich cores.